*{
    margin: 0;
    padding: 0;
}

body{
    background-image: url(../images/sea.jpg);
}

.main{
    width: 450px;
    height: 450px;
    margin-top: 180px;
    margin-left: 840px;
    background-color:white;
    /* 透明度 */
    opacity: 0.7;
    border-radius: 10px;
}

.login_title{
    width: 100%;
    height: 60px;
    line-height: 60px;
    text-align: center;  /*文字居中*/
    border-bottom: 1px solid rgb(173, 173, 173);
}
/* 登录表单 */
.main form {
    width: 100%;
    height: 350px;
    margin-top: 50px;
    
}

.main form ul{
    list-style: none;
    width: 100%;
    height: 100%;
}

.main form ul li{
    width: 100%;
    height: 50px;
    
     margin-bottom: 20px;
     line-height: 50px;
}

.main form ul li label{
    display: block;
    float: left;
    width: 100px;
    font-size: 14px;
    text-align: right;
}

.customerIpt{
    width: 280px;
    height: 30px;
    border-radius: 4px; /*圆角*/
    border: 1px solid rgb(175, 173, 173);
    outline: none;
    padding-left: 10px;
}

.loginBtn{
    width: 100px;
    height: 40px;
    background-color: rgb(44, 43, 43);
    color: white;
    border: none;  /*去除边框*/
    margin-left: 180px;
    cursor: pointer;
}